Finding the Fourth Proportional to 486,471.06, 729,745.50 and 170,998.74
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Solution
The fourth proportional to 486,471.06, 729,745.50 and 170,998.74 is: 256,511.79
Step by Step Solution
- Step 1: Write the proportion equation
486,471.06 : 729,745.50 = 170,998.74 : x - Step 2: Convert to fraction form
486,471.06/729,745.50 = 170,998.74/x - Step 3: Cross multiply
486,471.06x = 729,745.50 × 170,998.74 - Step 4: Simplify right side
486,471.06x = 124,785,561,020.67 - Step 5: Solve for x
x = 124,785,561,020.67/486,471.06 - Step 6: Final answer
x = 256,511.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.